2646734 has 4 divisors (see below), whose sum is σ = 3970104. Its totient is φ = 1323366.

The previous prime is 2646733. The next prime is 2646769. The reversal of 2646734 is 4376462.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4376462 = 2 ⋅2188231.

It is a d-powerful number, because it can be written as 2¹⁹ + 6 + 4⁹ + 6⁷ + 7³ + 3¹² + 4¹⁰ .

It is a self number, because there is not a number n which added to its sum of digits gives 2646734.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2646733) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 661682 + ... + 661685.

It is an arithmetic number, because the mean of its divisors is an integer number (992526).

2^2646734 is an apocalyptic number.

2646734 is a deficient number, since it is larger than the sum of its proper divisors (1323370).

2646734 is a wasteful number, since it uses less digits than its factorization.

2646734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1323369.

The product of its digits is 24192, while the sum is 32.

The square root of 2646734 is about 1626.8786064117. The cubic root of 2646734 is about 138.3258769227.

The spelling of 2646734 in words is "two million, six hundred forty-six thousand, seven hundred thirty-four".